[INFO] cloning repository https://github.com/TheGoodall/forum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheGoodall/forum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheGoodall%2Fforum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheGoodall%2Fforum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c595f9f91dff8ec4a28a28f7fcc7b5a305bd5e61
[INFO] checking TheGoodall/forum against try#ea2bf32540662c61547071aad6cf0851a0b02f58 for pr-96376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheGoodall%2Fforum" "/workspace/builds/worker-54/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheGoodall/forum on toolchain ea2bf32540662c61547071aad6cf0851a0b02f58
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea2bf32540662c61547071aad6cf0851a0b02f58" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheGoodall/forum
[INFO] finished tweaking git repo https://github.com/TheGoodall/forum
[INFO] tweaked toml for git repo https://github.com/TheGoodall/forum written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate git repo https://github.com/TheGoodall/forum already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea2bf32540662c61547071aad6cf0851a0b02f58" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+ea2bf32540662c61547071aad6cf0851a0b02f58" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52e5dd6def6acde8be804f8cc7910196cc329118bcfb4a19da212b74d5d3cc47
[INFO] running `Command { std: "docker" "start" "-a" "52e5dd6def6acde8be804f8cc7910196cc329118bcfb4a19da212b74d5d3cc47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52e5dd6def6acde8be804f8cc7910196cc329118bcfb4a19da212b74d5d3cc47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52e5dd6def6acde8be804f8cc7910196cc329118bcfb4a19da212b74d5d3cc47", kill_on_drop: false }`
[INFO] [stdout] 52e5dd6def6acde8be804f8cc7910196cc329118bcfb4a19da212b74d5d3cc47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+ea2bf32540662c61547071aad6cf0851a0b02f58" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 599f3c3876b00e4991fac7d1b35239892ffcfa8f63e081b546177d65d06da7e3
[INFO] running `Command { std: "docker" "start" "-a" "599f3c3876b00e4991fac7d1b35239892ffcfa8f63e081b546177d65d06da7e3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.76
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling bumpalo v3.7.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.76
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking base64ct v1.1.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking utf8-width v0.1.5
[INFO] [stderr]     Checking matchit v0.4.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]     Checking html-escape v0.2.9
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.5.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=9475ec4b23002eef -C extra-filename=-9475ec4b23002eef --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-46f75a66bec1e771.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "599f3c3876b00e4991fac7d1b35239892ffcfa8f63e081b546177d65d06da7e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "599f3c3876b00e4991fac7d1b35239892ffcfa8f63e081b546177d65d06da7e3", kill_on_drop: false }`
[INFO] [stdout] 599f3c3876b00e4991fac7d1b35239892ffcfa8f63e081b546177d65d06da7e3